Remove reference to nonexistent CSS file

This removes the only occasion I found for the nonexistent file `/view/js/button/frio.css`.

Fixes #13201

diff --git a/view/theme/frio/templates/head.tpl b/view/theme/frio/templates/head.tpl
index 9e960bdc98df6a9d684b5f2d37c89b11468a2bad..742a5203b832a18346f715e2af4fafbcbe19bf33 100644 (file)
--- a/view/theme/frio/templates/head.tpl
+++ b/view/theme/frio/templates/head.tpl
@@ -51,8 +51,6 @@
        type="text/css" media="screen" />
 <link rel="stylesheet" href="view/js/fancybox/jquery.fancybox.min.css?v={{$smarty.const.FRIENDICA_VERSION}}"
        type="text/css" media="screen" />
-<link rel="stylesheet" href="view/js/button/frio.css?v={{$smarty.const.FRIENDICA_VERSION}}"
-       type="text/css" media="screen" />
 
 {{* own css files *}}
 <link rel="stylesheet" href="view/theme/frio/css/hovercard.css?v={{$smarty.const.FRIENDICA_VERSION}}" type="text/css"